/*
 * Copyright 2020 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.camera.integration.camera2.pipe

import androidx.camera.integration.camera2.pipe.dataholders.GraphDataHolderStateImpl
import androidx.camera.integration.camera2.pipe.dataholders.GraphDataSortedRingBuffer
import com.google.common.truth.Truth
import org.junit.Test

class GraphDataHolderStateImplTest {

    @Test(expected = IllegalArgumentException::class)
    fun inputParams_emptyMap() {
        GraphDataHolderStateImpl(
            hashMapOf(),
            GraphDataSortedRingBuffer()
        )
    }

    @Test(expected = IllegalArgumentException::class)
    fun inputParams_emptyStringStateName() {
        GraphDataHolderStateImpl(
            hashMapOf(1 to "one", 2 to ""),
            GraphDataSortedRingBuffer()
        )
    }

    @Test
    fun getNumStates() {
        val graphDataHolderStateImpl =
            GraphDataHolderStateImpl(
                hashMapOf(1 to "one", 2 to "two", 3 to "three"),
                GraphDataSortedRingBuffer()
            )

        Truth.assertThat(graphDataHolderStateImpl.getNumStates()).isEqualTo(3)
    }

    @Test
    fun getStateName() {
        val graphDataHolderStateImpl =
            GraphDataHolderStateImpl(
                hashMapOf(1 to "one", 2 to "two", 3 to "three"),
                GraphDataSortedRingBuffer()
            )

        Truth.assertThat(graphDataHolderStateImpl.getStrings()).isEqualTo(
            listOf(
                "one", "two",
                "three"
            )
        )
    }
}
